Stay updated with real-time air quality in Northwich, Cheshire West and Chester featuring accurate data on AQI, PM2.5, PM10, O3, NO2, SO2, and CO levels. Use our interactive map and detailed forecasts to monitor pollution trends, manage health risks, and plan your daily activities with confidence.
Live AQI (Air Quality Index)
23
Good
Northwich, Cheshire West and Chester
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
3.49 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
7.83 μg/m³
0
55
155
255
425
605+
25.15 ppb
0
55
71
86
201
201+
0.43 ppb
0
36
76
186
605
1005+
18.89 ppb
0
54
101
361
1250
2050+
0.30 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
High
Northwich, Cheshire West and Chester
Northwich, Cheshire West and Chester
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AQI 22
Good
4.04μg/m³
PM2.5
8.89μg/m³
PM10
23.48ppb
O3
0.54ppb
SO2
13.49ppb
NO2
0.24ppm
CO
AQI 27
Good
4.72μg/m³
PM2.5
9.68μg/m³
PM10
24.84ppb
O3
0.51ppb
SO2
8.50ppb
NO2
0.24ppm
CO
AQI 27
Good
4.96μg/m³
PM2.5
10.11μg/m³
PM10
24.68ppb
O3
0.50ppb
SO2
8.52ppb
NO2
0.24ppm
CO
AQI 38
Good
6.53μg/m³
PM2.5
18.69μg/m³
PM10
16.97ppb
O3
0.50ppb
SO2
19.05ppb
NO2
0.24ppm
CO
AQI 26
Good
3.90μg/m³
PM2.5
8.79μg/m³
PM10
27.93ppb
O3
0.52ppb
SO2
8.33ppb
NO2
0.25ppm
CO
AQI 22
Good
4.02μg/m³
PM2.5
8.83μg/m³
PM10
23.94ppb
O3
0.61ppb
SO2
17.74ppb
NO2
0.26ppm
CO
Air quality measurements for Cheshire West and Chester, UK meet strict US EPA standards. These measurements are collected from reliable sources, including satellites and ground-based monitoring systems. Advanced algorithms and machine learning techniques are applied to the data, factoring in variables such as traffic and population density, to ensure precision and reliability.
Source: Ambee Data Sources
Air quality data for Northwich, Cheshire West and Chester is updated on an hourly basis.
The worst air quality in Northwich, Cheshire West and Chester was recorded at 12:00:00 on 2026-03-06.
The best air quality in Northwich, Cheshire West and Chester was recorded at 10:00:00 on 2026-03-06.
The real-time air quality index in Northwich, Cheshire West and Chester is 23, currently categorized as Good.
The most common pollutant in Northwich, Cheshire West and Chester is O3.
If the air quality in Northwich, Cheshire West and Chester is poor, limit outdoor activities and use a mask to safeguard your health.
The measured PM2.5 levels in Northwich, Cheshire West and Chester at present are 3.492 μg/m3.
The current PM10 levels in Northwich, Cheshire West and Chester are 7.828 μg/m3.
The current carbon monoxide (CO) level in Northwich, Cheshire West and Chester is 0.304 ppm.
The current sulfur dioxide (SO2) levels in Northwich, Cheshire West and Chester are 0.43 ppb.
The current ozone (O3) levels at Northwich, Cheshire West and Chester is 25.151 ppm.
The current nitrogen dioxide (NO2) levels at Northwich, Cheshire West and Chester is 18.895 ppb.
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